简答题:But he also took it for granted that division of labor is i

题目内容:
But he also took it for granted that division of labor is itself responsible for economic growth and development and it accounts for the difference between expanding economies and those that stand still. (Passage 3)
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若选择一组10h放电率标称容量为100A·h的220V铅酸蓄电池作为直流电流,计算事故放电末期冲击系数应为下列哪些数值?

若选择一组10h放电率标称容量为100A·h的220V铅酸蓄电池作为直流电流,计算事故放电末期冲击系数应为下列哪些数值?(可靠系数Kk取1.10)(  ) A.

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So, unless the government has a good system of control, or

So, unless the government has a good system of control, or can educate the peop

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生物在生存斗争中获得生存的对策,称为______。

生物在生存斗争中获得生存的对策,称为______。

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下列属于正反馈的是(  )

下列属于正反馈的是(  ) A.湖泊污染一鱼死一再污染 B.动物增加一植物减少一动物减少 C.兔子多一草少一兔子少 D.田鼠增加一粮食减少一虫子增多

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设集合M={x|| x-1 |<2},N={x|x>0},则M∩N=(  )

设集合M={x|| x-1 |0},则M∩N=(  ) A.{x|0<x<3} B.{x|-1<x0} D.{x|x

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